HOMEVULNERABILITIESCVE-2020-14550
MEDIUM

CVE-2020-14550

NVD-CWE-noinfoPublished: July 15, 2020· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

Vulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.48 and prior, 5.7.30 and prior and 8.0.20 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Client. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).

NVD Source

Technical Analysis

CVE-2020-14550 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Fedora1 product(s)
fedora
mariadb1 product(s)
mariadb
netapp3 product(s)
active iq unified manageroncommand insightoncommand workflow automation
Oracle1 product(s)
mysql
Source: NVD CPE · 11 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://security.gentoo.org/glsa/202105-27
ADVISORYhttps://security.netapp.com/advisory/ntap-20210622-0001/
ADVISORYhttps://usn.ubuntu.com/4441-1/
ADVISORYhttps://www.oracle.com/security-alerts/cpujul2020.html
ADVISORYhttps://security.gentoo.org/glsa/202105-27
ADVISORYhttps://security.netapp.com/advisory/ntap-20210622-0001/
ADVISORYhttps://usn.ubuntu.com/4441-1/
ADVISORYhttps://www.oracle.com/security-alerts/cpujul2020.html

All References (14)

→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CAI7GRYZ5265JVKHC6VXI57MNJDDB63C/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYQPCHGCVKFS3H226QQKZFQP56JYOQ3T/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SA2XMR2ZY2BPR3VLTDVLNV74JL7TA7KL/
→
https://security.gentoo.org/glsa/202105-27Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210622-0001/Third Party Advisory
→
https://usn.ubuntu.com/4441-1/Third Party Advisory
→
https://www.oracle.com/security-alerts/cpujul2020.htmlVendor Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CAI7GRYZ5265JVKHC6VXI57MNJDDB63C/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYQPCHGCVKFS3H226QQKZFQP56JYOQ3T/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SA2XMR2ZY2BPR3VLTDVLNV74JL7TA7KL/
→
https://security.gentoo.org/glsa/202105-27Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210622-0001/Third Party Advisory
→
https://usn.ubuntu.com/4441-1/Third Party Advisory
→
https://www.oracle.com/security-alerts/cpujul2020.htmlVendor Advisory

Quick Facts

CVE IDCVE-2020-14550
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected5 vendor(s)
PublishedJul 15, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2024-44148
10.0
CVE-2011-0807
10.0
CVE-2017-6326
10.0
CVE-2024-44146
10.0
CVE-2014-2623
10.0
CVE-2015-6787
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-14550 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2020-14550·NVD